105245223 has 4 divisors (see below), whose sum is σ = 140326968. Its totient is φ = 70163480.

The previous prime is 105245221. The next prime is 105245233. The reversal of 105245223 is 322542501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105245223 - 2¹ = 105245221 is a prime.

It is a super-2 number, since 2×105245223² = 22153113928639458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105245193 and 105245202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105245221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17540868 + ... + 17540873.

It is an arithmetic number, because the mean of its divisors is an integer number (35081742).

Almost surely, 2^105245223 is an apocalyptic number.

105245223 is a deficient number, since it is larger than the sum of its proper divisors (35081745).

105245223 is an equidigital number, since it uses as much as digits as its factorization.

105245223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35081744.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 105245223 is about 10258.9094449654. The cubic root of 105245223 is about 472.1363782277.

Adding to 105245223 its reverse (322542501), we get a palindrome (427787724).

The spelling of 105245223 in words is "one hundred five million, two hundred forty-five thousand, two hundred twenty-three".